Home / 31,457,509.58-47,187,945.96-9,893,792.78

Finding the Fourth Proportional to 31,457,509.58, 47,187,945.96 and 9,893,792.78

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Solution

The fourth proportional to 31,457,509.58, 47,187,945.96 and 9,893,792.78 is: 14,841,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457,509.58 : 47,187,945.96 = 9,893,792.78 : x
  2. Step 2: Convert to fraction form
    31,457,509.58/47,187,945.96 = 9,893,792.78/x
  3. Step 3: Cross multiply
    31,457,509.58x = 47,187,945.96 × 9,893,792.78
  4. Step 4: Simplify right side
    31,457,509.58x = 466,867,759,042,078.12
  5. Step 5: Solve for x
    x = 466,867,759,042,078.12/31,457,509.58
  6. Step 6: Final answer
    x = 14,841,218.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.